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									<td colspan="2" style="text-align: center"><span>P0151-</span>
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									<td style="width: 17%; text-align: center">学院 : 大数据学院</td>
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															<div id="exampaper-desc" class="exampaper-filter"><span class="exampaper-filter-item efi-qt-all efi-selected">全部[<span class="efi-tno">40</span>]<span class="efi-qcode" style="display:none;">qt-all</span></span><span class="exampaper-filter-item efi-qt-singlechoice">单选题[<span class="efi-tno">20</span>]<span class="efi-qcode" style="display:none;">qt-singlechoice</span></span><span class="exampaper-filter-item efi-qt-multiplechoice">多选题[<span class="efi-tno">10</span>]<span class="efi-qcode" style="display:none;">qt-multiplechoice</span></span><span class="exampaper-filter-item efi-qt-trueorfalse">判断题[<span class="efi-tno">10</span>]<span class="efi-qcode" style="display:none;">qt-trueorfalse</span></span></div>
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																<span>试卷总分：</span><span id="exampaper-total-point" style="margin-right: 20px;">100</span>
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														<!-- 开始加载试卷 -->
														
															
																
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																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">1.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">417586f1c9354e16b4713f55629e7051</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>机器学习算法分为（）学习和（）学习</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_417586f1c9354e16b4713f55629e7051" class="question-input"> -->
																						<span class="question-li-text">A: 
																								监督，无监督
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_417586f1c9354e16b4713f55629e7051" class="question-input"> -->
																						<span class="question-li-text">B: 
																								分类,回归
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_417586f1c9354e16b4713f55629e7051" class="question-input"> -->

																						<span class="question-li-text">C: 
																								监督,分类
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_417586f1c9354e16b4713f55629e7051" class="question-input"> -->

																						<span class="question-li-text">D: 
																								无监督,回归
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">2.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">27c4ab04aab346aa8569087ca5f2d8a4</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>若某商品销售量y(件)随着销售价格x(元/件）的增加而减少，则其回归方程可能是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_27c4ab04aab346aa8569087ca5f2d8a4" class="question-input"> -->
																						<span class="question-li-text">A: 
																								y＝－10x＋200
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_27c4ab04aab346aa8569087ca5f2d8a4" class="question-input"> -->
																						<span class="question-li-text">B: 
																								y＝10x＋200
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_27c4ab04aab346aa8569087ca5f2d8a4" class="question-input"> -->

																						<span class="question-li-text">C: 
																								y=－10x－200
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_27c4ab04aab346aa8569087ca5f2d8a4" class="question-input"> -->

																						<span class="question-li-text">D: 
																								y=10x－200
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">3.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">5a40625ed76d4b6aa995dbbf54335ac8</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设矩阵B为[[2,4]]，C为[[4]]，则B+C结果是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_5a40625ed76d4b6aa995dbbf54335ac8" class="question-input"> -->
																						<span class="question-li-text">A: 
																								[[6,8]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_5a40625ed76d4b6aa995dbbf54335ac8" class="question-input"> -->
																						<span class="question-li-text">B: 
																								[4]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_5a40625ed76d4b6aa995dbbf54335ac8" class="question-input"> -->

																						<span class="question-li-text">C: 
																								[[2],[1]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_5a40625ed76d4b6aa995dbbf54335ac8" class="question-input"> -->

																						<span class="question-li-text">D: 
																								无法计算
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">4.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">ba6c58195f144a408a8c120eb1fb9fdb</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>有两个矩阵M=[[2,4]]，N=[[3,4,5]]则M+N结果是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_ba6c58195f144a408a8c120eb1fb9fdb" class="question-input"> -->
																						<span class="question-li-text">A: 
																								[1,2]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_ba6c58195f144a408a8c120eb1fb9fdb" class="question-input"> -->
																						<span class="question-li-text">B: 
																								[4]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_ba6c58195f144a408a8c120eb1fb9fdb" class="question-input"> -->

																						<span class="question-li-text">C: 
																								[[2],[1]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_ba6c58195f144a408a8c120eb1fb9fdb" class="question-input"> -->

																						<span class="question-li-text">D: 
																								无法计算
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						D
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							D
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">5.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">0c1ba5c1fcdc46acb9a59f60582dadda</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>有四组(x，y)的值分别为(1，2)，(2，3)，(3，4)，(4，5)，则x与y之间的线性回归方程为</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_0c1ba5c1fcdc46acb9a59f60582dadda" class="question-input"> -->
																						<span class="question-li-text">A: 
																								y=x+1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_0c1ba5c1fcdc46acb9a59f60582dadda" class="question-input"> -->
																						<span class="question-li-text">B: 
																								y=x+2
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_0c1ba5c1fcdc46acb9a59f60582dadda" class="question-input"> -->

																						<span class="question-li-text">C: 
																								y=x-1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_0c1ba5c1fcdc46acb9a59f60582dadda" class="question-input"> -->

																						<span class="question-li-text">D: 
																								y=2x+1
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">6.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">10ca687bcc464b4a9fd1429f8f2b797b</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>年劳动生产率x（千元）和工人工资y（元）之间的回归方程为y = 10+70x，这意味着年劳动生产率每提高1千元，工人工资平均</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_10ca687bcc464b4a9fd1429f8f2b797b" class="question-input"> -->
																						<span class="question-li-text">A: 
																								增加70元
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_10ca687bcc464b4a9fd1429f8f2b797b" class="question-input"> -->
																						<span class="question-li-text">B: 
																								减少70元
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_10ca687bcc464b4a9fd1429f8f2b797b" class="question-input"> -->

																						<span class="question-li-text">C: 
																								增加80元
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_10ca687bcc464b4a9fd1429f8f2b797b" class="question-input"> -->

																						<span class="question-li-text">D: 
																								减少80元
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">7.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">78790684e2044ba9b7edf786f5f63c73</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设矩阵A=np.array([[10,2]])，矩阵B=np.array([[2],[1]])，A.dot(B)的结果为
</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_78790684e2044ba9b7edf786f5f63c73" class="question-input"> -->
																						<span class="question-li-text">A: 
																								[1,2]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_78790684e2044ba9b7edf786f5f63c73" class="question-input"> -->
																						<span class="question-li-text">B: 
																								22
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_78790684e2044ba9b7edf786f5f63c73" class="question-input"> -->

																						<span class="question-li-text">C: 
																								13
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_78790684e2044ba9b7edf786f5f63c73" class="question-input"> -->

																						<span class="question-li-text">D: 
																								无法计算
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">8.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">67e245ce3e12438cba73bca6c08290ad</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>EPT方法中，E指的是（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_67e245ce3e12438cba73bca6c08290ad" class="question-input"> -->
																						<span class="question-li-text">A: 
																								训练样本
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_67e245ce3e12438cba73bca6c08290ad" class="question-input"> -->
																						<span class="question-li-text">B: 
																								性能
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_67e245ce3e12438cba73bca6c08290ad" class="question-input"> -->

																						<span class="question-li-text">C: 
																								任务
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_67e245ce3e12438cba73bca6c08290ad" class="question-input"> -->

																						<span class="question-li-text">D: 
																								经验
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						D
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							D
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">9.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">4d4dd1cf44044109a27dd130b4af7f6a</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>已知矩阵A=[[3,5],[4,7]]，求矩阵A的逆矩阵</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_4d4dd1cf44044109a27dd130b4af7f6a" class="question-input"> -->
																						<span class="question-li-text">A: 
																								[[7,5],[4,3]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_4d4dd1cf44044109a27dd130b4af7f6a" class="question-input"> -->
																						<span class="question-li-text">B: 
																								[[7,-5],[-4,3]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_4d4dd1cf44044109a27dd130b4af7f6a" class="question-input"> -->

																						<span class="question-li-text">C: 
																								[[7,5],[-4,-3]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_4d4dd1cf44044109a27dd130b4af7f6a" class="question-input"> -->

																						<span class="question-li-text">D: 
																								[[-7,-5],[-4,-3]]
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">10.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">c25f1e0dca9544ee96db3867396ab039</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>已知矩阵A为[1,2，3]，矩阵B为[[2],[1],[3]]，A*B的结果为</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_c25f1e0dca9544ee96db3867396ab039" class="question-input"> -->
																						<span class="question-li-text">A: 
																								[1,2]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_c25f1e0dca9544ee96db3867396ab039" class="question-input"> -->
																						<span class="question-li-text">B: 
																								4
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_c25f1e0dca9544ee96db3867396ab039" class="question-input"> -->

																						<span class="question-li-text">C: 
																								13
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_c25f1e0dca9544ee96db3867396ab039" class="question-input"> -->

																						<span class="question-li-text">D: 
																								无法计算
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						C
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							C
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">11.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">577b21a7262e4fcc92fcbbe6db9d2861</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre> 矩阵B=[[2,4],[4,6]]，求矩阵B的逆矩阵</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_577b21a7262e4fcc92fcbbe6db9d2861" class="question-input"> -->
																						<span class="question-li-text">A: 
																								[[1,-0.5],[-1.5,1]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_577b21a7262e4fcc92fcbbe6db9d2861" class="question-input"> -->
																						<span class="question-li-text">B: 
																								[[-1.5,1],[1,-0.5]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_577b21a7262e4fcc92fcbbe6db9d2861" class="question-input"> -->

																						<span class="question-li-text">C: 
																								[[1,-0.5],[1.5,-1]]
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_577b21a7262e4fcc92fcbbe6db9d2861" class="question-input"> -->

																						<span class="question-li-text">D: 
																								[[-1.5,-1],[1,0.5]]
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">12.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">9615d124ba5f4bb59346226f326772e4</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>当代价函数为凸函数时，梯度下降的能找到（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_9615d124ba5f4bb59346226f326772e4" class="question-input"> -->
																						<span class="question-li-text">A: 
																								局部最优点
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_9615d124ba5f4bb59346226f326772e4" class="question-input"> -->
																						<span class="question-li-text">B: 
																								全局最优点
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_9615d124ba5f4bb59346226f326772e4" class="question-input"> -->

																						<span class="question-li-text">C: 
																								最大的参数组合
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_9615d124ba5f4bb59346226f326772e4" class="question-input"> -->

																						<span class="question-li-text">D: 
																								以上说法都不对
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">13.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">8afbd005066344a2b539b764f8870a00</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>设A,B都是n阶矩阵，以下哪个命题肯定成立</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_8afbd005066344a2b539b764f8870a00" class="question-input"> -->
																						<span class="question-li-text">A: 
																								若A,B皆不可逆，则A+B也不可逆
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_8afbd005066344a2b539b764f8870a00" class="question-input"> -->
																						<span class="question-li-text">B: 
																								若AB可逆，则A,B都可逆
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_8afbd005066344a2b539b764f8870a00" class="question-input"> -->

																						<span class="question-li-text">C: 
																								AB不可逆，则A,B都不可逆
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_8afbd005066344a2b539b764f8870a00" class="question-input"> -->

																						<span class="question-li-text">D: 
																								若A可逆，则kA可逆（K为常数）
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">14.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">858d44d10bb34a418def0ad513662a6a</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下哪种情况适合用梯度下降</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_858d44d10bb34a418def0ad513662a6a" class="question-input"> -->
																						<span class="question-li-text">A: 
																								数据量较小
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_858d44d10bb34a418def0ad513662a6a" class="question-input"> -->
																						<span class="question-li-text">B: 
																								需要多次迭代
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_858d44d10bb34a418def0ad513662a6a" class="question-input"> -->

																						<span class="question-li-text">C: 
																								当特征数量 n不大
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_858d44d10bb34a418def0ad513662a6a" class="question-input"> -->

																						<span class="question-li-text">D: 
																								特征变量的数目并不大的线性模型
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">15.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">261ba9b3103340cab7bf92d492d69101</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>在机器学习中，设A,B都是n阶矩阵，以下哪个命题肯定成立</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_261ba9b3103340cab7bf92d492d69101" class="question-input"> -->
																						<span class="question-li-text">A: 
																								若A,B皆不可逆，则A+B也不可逆
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_261ba9b3103340cab7bf92d492d69101" class="question-input"> -->
																						<span class="question-li-text">B: 
																								若AB可逆，则A,B都可逆
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_261ba9b3103340cab7bf92d492d69101" class="question-input"> -->

																						<span class="question-li-text">C: 
																								AB不可逆，则A,B都不可逆
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_261ba9b3103340cab7bf92d492d69101" class="question-input"> -->

																						<span class="question-li-text">D: 
																								若A可逆，则kA可逆（K为常数）
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">16.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">d70fb9df3c004b41abad5e8829cbd2ad</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre> 线性回归的代价函数（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_d70fb9df3c004b41abad5e8829cbd2ad" class="question-input"> -->
																						<span class="question-li-text">A: 
																								所有训练样本标签值的平方和
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_d70fb9df3c004b41abad5e8829cbd2ad" class="question-input"> -->
																						<span class="question-li-text">B: 
																								所有训练样本估计误差的平方和
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_d70fb9df3c004b41abad5e8829cbd2ad" class="question-input"> -->

																						<span class="question-li-text">C: 
																								训练样本与真实样本的差值
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_d70fb9df3c004b41abad5e8829cbd2ad" class="question-input"> -->

																						<span class="question-li-text">D: 
																								所有预测样本标签值的平方和
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">17.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">639eb024516b4cc293db982ef4bf758a</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>一般来说，以下哪个方法可以预测连续变量值？</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_639eb024516b4cc293db982ef4bf758a" class="question-input"> -->
																						<span class="question-li-text">A: 
																								线性回归和逻辑回归
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_639eb024516b4cc293db982ef4bf758a" class="question-input"> -->
																						<span class="question-li-text">B: 
																								线性回归
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_639eb024516b4cc293db982ef4bf758a" class="question-input"> -->

																						<span class="question-li-text">C: 
																								逻辑回归
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_639eb024516b4cc293db982ef4bf758a" class="question-input"> -->

																						<span class="question-li-text">D: 
																								以上都不是
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						B
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							B
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">18.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">a2f6d031e29248d4814fe7e5c01c6f26</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>对于分类问题，y的取值为</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_a2f6d031e29248d4814fe7e5c01c6f26" class="question-input"> -->
																						<span class="question-li-text">A: 
																								0或1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_a2f6d031e29248d4814fe7e5c01c6f26" class="question-input"> -->
																						<span class="question-li-text">B: 
																								0或-1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_a2f6d031e29248d4814fe7e5c01c6f26" class="question-input"> -->

																						<span class="question-li-text">C: 
																								-1
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_a2f6d031e29248d4814fe7e5c01c6f26" class="question-input"> -->

																						<span class="question-li-text">D: 
																								以上都不是
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">19.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">0f7526423f8341bba1cacca1be029ae0</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>逻辑回归算法属于以下什么算法</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_0f7526423f8341bba1cacca1be029ae0" class="question-input"> -->
																						<span class="question-li-text">A: 
																								分类算法
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_0f7526423f8341bba1cacca1be029ae0" class="question-input"> -->
																						<span class="question-li-text">B: 
																								聚类算法
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_0f7526423f8341bba1cacca1be029ae0" class="question-input"> -->

																						<span class="question-li-text">C: 
																								神经网络算法
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_0f7526423f8341bba1cacca1be029ae0" class="question-input"> -->

																						<span class="question-li-text">D: 
																								支持向量机算法
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							A
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																	<!-- 单选 -->
																	<li class="question qt-singlechoice" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">20.</span><span class="question-type" style="display: none;">singlechoice</span><span>[单选题]</span><span class="question-point-content"><span>(</span><span class="question-point">3</span><span>分)</span></span><span class="question-id" style="display: none;">26a5a02070154b0198813effbcd27832</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>在机器学习中，逻辑回归算法的代价函数为什么不采用误差平方和的形式,因为其是（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_26a5a02070154b0198813effbcd27832" class="question-input"> -->
																						<span class="question-li-text">A: 
																								非凸函数与局部最小点
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_26a5a02070154b0198813effbcd27832" class="question-input"> -->
																						<span class="question-li-text">B: 
																								其他都对
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_26a5a02070154b0198813effbcd27832" class="question-input"> -->

																						<span class="question-li-text">C: 
																								多个极大值
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_26a5a02070154b0198813effbcd27832" class="question-input"> -->

																						<span class="question-li-text">D: 
																								存在唯一极大值
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span> <span class="answer_value">
																					
																						A
																					 
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span> 
																							
																						 
																					</span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																						
																							<span style="color:red">
																								B
																							</span>
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">21.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">980637a98eb045c49dd011492689fa88</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>机器学习的算法可分为（）</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_980637a98eb045c49dd011492689fa88" class="question-input"> -->
																						<span class="question-li-text">A: 
																								监督
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_980637a98eb045c49dd011492689fa88" class="question-input"> -->
																						<span class="question-li-text">B: 
																								无监督
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_980637a98eb045c49dd011492689fa88" class="question-input"> -->

																						<span class="question-li-text">C: 
																								分类
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_980637a98eb045c49dd011492689fa88" class="question-input"> -->

																						<span class="question-li-text">D: 
																								回归
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">AB</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							AB
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">22.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">a43515742edb4c6c8f8d0f2c0bcb8452</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>无监督的学习技术包括：</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_a43515742edb4c6c8f8d0f2c0bcb8452" class="question-input"> -->
																						<span class="question-li-text">A: 
																								降维
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_a43515742edb4c6c8f8d0f2c0bcb8452" class="question-input"> -->
																						<span class="question-li-text">B: 
																								主成分分析
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_a43515742edb4c6c8f8d0f2c0bcb8452" class="question-input"> -->

																						<span class="question-li-text">C: 
																								PCA
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_a43515742edb4c6c8f8d0f2c0bcb8452" class="question-input"> -->

																						<span class="question-li-text">D: 
																								K均值聚类
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABCD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABCD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">23.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">cd9e1b37d2a649d98e702a2df26d46e8</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下4个例子中，你认为哪个是无监督学习算法</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_cd9e1b37d2a649d98e702a2df26d46e8" class="question-input"> -->
																						<span class="question-li-text">A: 
																								将邮件标记为垃圾邮件和非垃圾邮件，垃圾邮件过滤器
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_cd9e1b37d2a649d98e702a2df26d46e8" class="question-input"> -->
																						<span class="question-li-text">B: 
																								在网上找一组新闻文章，把这些文章聚类为同一故事
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_cd9e1b37d2a649d98e702a2df26d46e8" class="question-input"> -->

																						<span class="question-li-text">C: 
																								根据客户数据的数据库，自动发现市场细分市场，并将客户分成不同的细分市场
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_cd9e1b37d2a649d98e702a2df26d46e8" class="question-input"> -->

																						<span class="question-li-text">D: 
																								考虑到被诊断为患有糖尿病或没有糖尿病的患者的数据集，学会将新患者分类为有无糖尿病
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">BC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							BC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">24.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">1bf97ab80fec405ab530cd6a51382923</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>关于线性回归，错误的说法是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_1bf97ab80fec405ab530cd6a51382923" class="question-input"> -->
																						<span class="question-li-text">A: 
																								相关关系的两个变量不一定是因果关系
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_1bf97ab80fec405ab530cd6a51382923" class="question-input"> -->
																						<span class="question-li-text">B: 
																								线性回归只能反映两个变量之间的关系
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_1bf97ab80fec405ab530cd6a51382923" class="question-input"> -->

																						<span class="question-li-text">C: 
																								回归直线能直观地体现线性相关变量之间的关系
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_1bf97ab80fec405ab530cd6a51382923" class="question-input"> -->

																						<span class="question-li-text">D: 
																								任一组数据都有线性关系
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">BD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							BD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">25.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">9f8d3de66d66468c97fd2c0f961d3c5b</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>在下列算法中,哪个不是监督学习算法</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_9f8d3de66d66468c97fd2c0f961d3c5b" class="question-input"> -->
																						<span class="question-li-text">A: 
																								将邮件标记为垃圾邮件和非垃圾邮件，垃圾邮件过滤器
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_9f8d3de66d66468c97fd2c0f961d3c5b" class="question-input"> -->
																						<span class="question-li-text">B: 
																								在网上找一组新闻文章，把这些文章聚类为同一故事
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_9f8d3de66d66468c97fd2c0f961d3c5b" class="question-input"> -->

																						<span class="question-li-text">C: 
																								根据客户数据的数据库，自动发现市场细分市场，并将客户分成不同的细分市场
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_9f8d3de66d66468c97fd2c0f961d3c5b" class="question-input"> -->

																						<span class="question-li-text">D: 
																								考虑到被诊断为患有糖尿病或没有糖尿病的患者的数据集，学会将新患者分类为有无糖尿病
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">BC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							BC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">26.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">01d46685a08c47e495f9849a35d7b5db</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>下列属于监督学习算法应用场景的是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_01d46685a08c47e495f9849a35d7b5db" class="question-input"> -->
																						<span class="question-li-text">A: 
																								将邮件标记为垃圾邮件和非垃圾邮件，垃圾邮件过滤器
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_01d46685a08c47e495f9849a35d7b5db" class="question-input"> -->
																						<span class="question-li-text">B: 
																								在网上找一组新闻文章，把这些文章聚类为同一故事
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_01d46685a08c47e495f9849a35d7b5db" class="question-input"> -->

																						<span class="question-li-text">C: 
																								根据客户数据的数据库，自动发现市场细分市场，并将客户分成不同的细分市场
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_01d46685a08c47e495f9849a35d7b5db" class="question-input"> -->

																						<span class="question-li-text">D: 
																								考虑到被诊断为患有糖尿病或没有糖尿病的患者的数据集，学会将新患者分类为有无糖尿病
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">AD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							AD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">27.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">768e65261aa64dde862e61d832375615</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>在机器学习中，已知A、B、C均为m乘n的矩阵，关于矩阵乘法，下述哪些是正确的</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_768e65261aa64dde862e61d832375615" class="question-input"> -->
																						<span class="question-li-text">A: 
																								ABC=A（BC）
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_768e65261aa64dde862e61d832375615" class="question-input"> -->
																						<span class="question-li-text">B: 
																								AB=BA
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_768e65261aa64dde862e61d832375615" class="question-input"> -->

																						<span class="question-li-text">C: 
																								(A+B)C=AC+BC
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_768e65261aa64dde862e61d832375615" class="question-input"> -->

																						<span class="question-li-text">D: 
																								C(A+B)=CA+CB
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ACD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ACD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">28.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">8a99b89143e94e05a6364de3970f9a53</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>学习率是梯度下降中一个重要的参数，以下对其的描述哪些是正确的</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_8a99b89143e94e05a6364de3970f9a53" class="question-input"> -->
																						<span class="question-li-text">A: 
																								如果学习率α过小，则达到收敛所需的迭代次数可能会非常高
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_8a99b89143e94e05a6364de3970f9a53" class="question-input"> -->
																						<span class="question-li-text">B: 
																								如果学习率α过大，每次迭代可能不会减小代价函数，可能会越过局部最小值导致无法收敛
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_8a99b89143e94e05a6364de3970f9a53" class="question-input"> -->

																						<span class="question-li-text">C: 
																								如果学习率α过大，则达到收敛所需的迭代次数必定会非常高
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_8a99b89143e94e05a6364de3970f9a53" class="question-input"> -->

																						<span class="question-li-text">D: 
																								如果学习率α过小，每次迭代必定不会减小代价函数，必定会越过局部最小值导致无法收敛
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">AB</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							AB
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">29.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">2a2ef62ba3e44c8d8168a31a4844b73a</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>假设A、B、C都为m*n矩阵，以下正确的有</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_2a2ef62ba3e44c8d8168a31a4844b73a" class="question-input"> -->
																						<span class="question-li-text">A: 
																								ABC=A（BC）
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_2a2ef62ba3e44c8d8168a31a4844b73a" class="question-input"> -->
																						<span class="question-li-text">B: 
																								AB=BA
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_2a2ef62ba3e44c8d8168a31a4844b73a" class="question-input"> -->

																						<span class="question-li-text">C: 
																								(A+B)C=AC+BC
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_2a2ef62ba3e44c8d8168a31a4844b73a" class="question-input"> -->

																						<span class="question-li-text">D: 
																								C(A+B)=CA+CB
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ACD</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ACD
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																	<!-- 多选 -->
																	<li class="question qt-multiplechoice" style="display: list-item;"><div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">30.</span> <span class="question-type" style="display: none;">multiplechoice</span>
																			<span>[多选题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span>
																			<span class="question-id" style="display: none;">1119c44d5e1a40228846e792c18b6a92</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>以下对于单变量线性回归和多变量线性回归描述正确的是</pre>
																				
																				
																			<p></p>
																			<ul class="question-opt-list">
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="A" name="question-radio1_1119c44d5e1a40228846e792c18b6a92" class="question-input"> -->
																						<span class="question-li-text">A: 
																								一元线性回归只有一个自变量
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="B" name="question-radio1_1119c44d5e1a40228846e792c18b6a92" class="question-input"> -->
																						<span class="question-li-text">B: 
																								多元线性回归有两个或两个以上的自变量
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="C" name="question-radio1_1119c44d5e1a40228846e792c18b6a92" class="question-input"> -->

																						<span class="question-li-text">C: 
																								一元线性回归与多元线性回归一般可以使用代价函数求最优解
																							 
																					</span>
																					</li>
																				
																				
																					<li class="question-list-item">
																						<!-- 																	<input type="radio" --> <!-- 																	value="D" name="question-radio1_1119c44d5e1a40228846e792c18b6a92" class="question-input"> -->

																						<span class="question-li-text">D: 
																								只有多元线性回归可以使用梯度下降求最优解
																							 
																					</span>
																					</li>
																				
																				
																				

																			</ul>
																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">ABC</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							ABC
																						
																						
																					
																				<br />
																			</div>
																		</div></li>
																
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">31.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">f7aa4124d17c4a099f8b8ff1beed3988</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>降维是无监督学习</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">32.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">da2ea7a80a3c4cfabd0900c4e9c36e6c</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>人工智能:Python语言是纯面向过程的计算机程序设计语言</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						
																						错
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								
																								错
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">33.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">a28dcbc681e94da7add7579d33b90544</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>大数据:机器学习三要素指的是经验、性能、任务</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">34.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">7e6ffd4b582f4d44a7ae42b42690d464</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>在机器学习中，机器学习课程横跨工程技术、计算机科学和统计学等多个学科</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">35.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">be0215258cb6486f83bbaaedcf6a9932</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>学习率越小，收敛速度越慢</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">36.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">ea3ded7a26af4fcb8eae0a9f4ba91dda</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>梯度下降是沿着能让代价函数下降程度最大的方向下降</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">37.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">504fb59e40fc4a598a2ee98a9e1c1c1d</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>如果采用多项式回归模型，在运行梯度下降算法前，特征缩放很有必要</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						对
																						
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								对
																								
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">38.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">56a312d2f6694f198d097188ce10d5fb</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>正规方程不只适用于线性模型，还适用于逻辑回归模型等其他模型</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						
																						错
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								
																								错
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">39.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">15018941d3854b6789d30620580306f1</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>单位矩阵的逆矩阵不是其自身</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						
																						错
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								
																								错
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
															
																
																
																
																	<!-- 判断 -->
																	<li class="question qt-trueorfalse" style="display: list-item;">
																		<div class="question-title">
																			<div class="question-title-icon"></div>
																			<span class="question-no">40.</span><span class="question-type" style="display: none;">trueorfalse</span>
																			<span>[判断题]</span> <span class="question-point-content"><span>(</span><span class="question-point">2</span><span>分)</span></span><span class="question-id" style="display: none;">e8f602c0ee8740a4a4578122c105e750</span>
																		</div>
																		<div class="question-body">
																			<p class="question-body-text">
																				
																					</p><pre>运用梯度下降算法对逻辑回归模型进行参数更新时，得到的结果与线性回归完全一样，就可能说明逻辑回归模型与线性回归模型完全一样</pre>
																				
																				
																			<p></p>

																		</div>
																		<div class="answer-desc">
																			<div class="answer-desc-summary">
																				<span>正确答案：</span><span class="answer_value">
																					
																						
																						错
																					
																				</span><br />
																			</div>
																			<div class="answer-desc-detail">
																				<div class="answer-desc-content">
																					<span>试题解析：</span> <span></span>
																				</div>
																			</div>
																			<div class="answer-desc-detail">
																				<span>我的答案：</span>
																					
																						
																							
																								
																								错
																							
																						
																						
																					
																				<br />
																			</div>
																		</div>
																	</li>
																
																
																
																
															
														
													</ul>
												</div>
											</div>
										</form>
									</td>
								</tr>
							</tbody>
						</table>
					</div>
				</div>
			</div>
		</div>

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